Re: Auto kernel module loading

Ok. MMmmm. Damn, I want this. :-)

M. Warner Losh wrote:
> In message: <3EA531A0.3060209_at_tcoip.com.br>
>             "Daniel C. Sobral" <dcs_at_tcoip.com.br> writes:
> : M. Warner Losh wrote:
> : > In message: <3E9EB7DF.4040104_at_tcoip.com.br>
> : >             "Daniel C. Sobral" <dcs_at_tcoip.com.br> writes:
> : > : Plan once was for loader to identify the PNP IDs and load the 
> : > : appropriate modules. What the appropriate modules were would be infered 
> : > : from a configuration file.
> : > : 
> : > : I think Mike decided that wasn't such a good idea after all, but I 
> : > : wasn't much in touch with FreeBSD at the time, so I remember it only 
> : > : vaguely.
> : > 
> : > Yes.  My plan is to make devd deal with most of the problem...  You'll
> : > still need to compile / device into your kernel, however.
> : 
> : Mmmm? The point is having a minimal kernel.ko. If you still have to 
> : compile the device in the kernel, it does nothing at all to reach the 
> : desired goal.
> 
> You misunderstand.  I have a fairly minimal kernel.ko.  You have to
> compile "/ device" into your kernel means that you have to compile the
> device that you get your "/" partition from.
> 
> Sorry if that didn't parse.
> 
> Right now I have kinda gross things like the following in my devd.conf
> file:
> 
> nomatch 10 {
> 	match "bus" "cardbus[0-9]+";
> 	match "vendor" "0x10b7";
> 	match "device" "0x5257";
> 	action "kldload if_xl";
> };
> 
> nomatch 10 {
> 	match "bus" "pccard[0-9]+";
> 	match "manufacturer" "0x015f";
> 	match "product" "0x000a";
> 	action "kldload if_an";
> };
> 
> I've just gotten this working with devd, so I've not had a chance to
> optimize things completely at this point in time.  However, the above
> entries have allowed me to compile a minimal kernel.ko and have the
> devices loaded on demand.  I don't bother trying to unload them on
> last use, however, since that is a big pita...
> 
> Warner


-- 
Daniel C. Sobral                   (8-DCS)
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         Daniel.Sobral_at_tcoip.com.br
         dcs_at_tcoip.com.br

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